Method: Kleene::DSL#any

Defined in:
lib/kleene/dsl.rb

#any(token_collection, alphabet = DEFAULT_ALPHABET) ⇒ Object

two states: start state and final state structure: start state -> transitions for each token in the token collection -> final state



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# File 'lib/kleene/dsl.rb', line 31

def any(token_collection, alphabet = DEFAULT_ALPHABET)
  start = State.new
  nfa = NFA.new(start, alphabet)
  final = State.new(true)
  token_collection.each {|token| nfa.add_transition(token, start, final) }
  nfa.update_final_states
  regex_pattern = "[#{token_collection.join("")}]"
  nfa.set_regex_pattern(regex_pattern)
  nfa
end